Astronomy & Space
396 sites
http://starshadows.com/
Star Shadows Remote Observatory (SSRO) was a cooperative astro-imaging venture cofounded by Rick Gilbert, Jack Harvey, Steve Mandel, and John Pierce, producing deep-sky images from New Mexico and Cerro Tololo Inter-American Observatory in Chile from 2004 to 2018. The archived site offers access to their gallery, equipment details, and documents from over a decade of collaborative astrophotography.
http://davidmalin.com/fujii/fujii_index.html
A stunning image gallery showcasing the complete Akira Fujii and David Malin Images (DMI) collection of astrophotography, organized into categories including constellations, Milky Way, star trails, solar eclipses, comets, and aurorae. The collection features wide-field photographs of the southern sky taken from Australian observatories, capturing objects like the Southern Cross, Carina Nebula, and Comet McNaught with remarkable detail.
https://astronomy-links.com/
Clark M. Thomas of Roanoke, VA has assembled a free, non-commercial collection of astronomy links organized to help stargazers at all experience levels discover resources, from deep sky databases and space telescope galleries to star party listings and homework help. Highlights include curated 'Best of the Best' picks, a newest-links section for returning visitors, and a broad sweep of resources covering Mars missions, the Messier catalog, observing clubs, and more.
http://ned.ipac.caltech.edu/help/cosmology_calc.html
Hosted by NASA's Extragalactic Database (NED) at Caltech, this curated page collects links to online cosmology calculators contributed by researchers at UCLA, University of Colorado, and other institutions. Visitors can compute distances, lookback times, Hubble parameters, K-corrections, and other key cosmological quantities by entering values like redshift, Hubble constant, and Omega parameters.
http://yearinspace.com/the-week-in-space
The Year In Space is a weekly online calendar that highlights space history, sky events, and astronomical milestones, pairing each entry with detailed write-ups and NASA imagery. Each week features a featured topic such as the discovery of Ceres or the Cassini mission, alongside a day-by-day calendar of notable birthdays, launches, and celestial events.
![en:start [Skychart]](/screenshots/15841.webp)
https://ap-i.net/skychart//en/start
Skychart, also known as Cartes du Ciel, is a free open-source planetarium program that lets users draw detailed sky charts using star and nebula catalogs while also displaying the positions of planets, asteroids, and comets. This multilingual wiki serves as the official documentation and download hub for the software, supporting Linux, Windows, and macOS with both stable and beta releases.
https://astronomy.swin.edu.au/cosmos
COSMOS is a comprehensive astronomy encyclopedia produced by research astronomers at Swinburne University's Centre for Astrophysics and Supercomputing, covering topics from the Planck Length to galaxies for a general but detail-hungry audience. The encyclopedia is an evolving reference used by major astronomy outlets including Universe Today, Astronomy Cast, and Astronomy Picture of the Day, making it a trusted hub for astronomical knowledge.
http://aoas.org/
AOAS (Amateur Observers' Astronomical Society) is a club website for astronomy enthusiasts, likely featuring meeting information, observing events, and resources for stargazers. The domain and structure suggest a regional astronomy club serving members interested in telescopes, sky-watching, and community observing sessions.
http://solstation.com/habitable.htm
Sol Station explores the concept of habitable zones around stars, presenting scientific information about which stellar systems might support life. The site offers a visually driven look at astrobiology and planetary habitability, making complex astrophysics accessible to curious visitors.
https://rmastro.com/
The Roper Mountain Astronomers (RMA) is a South Carolina astronomy club dedicated to sharing observational skills and astronomical knowledge with enthusiasts of all levels. The site features member astrophotos, club event listings, star parties, outreach programs, and highlights the historic 23-inch Charles E. Daniel Observatory refractor telescope.